Bromus cebadilla

Species category

Agricultural, Turf

Common name

grazing brome

Diagnostic characters

Planting unit

FloretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.

Shape

Lanceolate; laterally compressed.

Size

  • Length: 13–14 mm 
  • Width: 2–2.5 mm 
  • Thickness: 1–1.5 mm 

Color

Brown

Texture

Smooth

Lemma

Longitudinal nerves

Palea

Folded into the caryopsisCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).

Other structures

Central lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
nerve extends into an awnAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae).
.

Identification notes

RachillaRachilla:
The axis of a spikelet.
scar surface parallel to rachillaRachilla:
The axis of a spikelet.
axis.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Poaceae

Valid name

Bromus cebadilla Steud.

Synonyms

Bromus catharticus Vahl subsp. stamineus (É. Desv.) A.N. Massa
Bromus catharticus Vahl var. elatus (É. Desv.) Planchuelo
Bromus stamineus É. Desv.
Bromus valdivianus Phil.

 Bromus catharticus  var.  elatus.  Florets with a central lemma nerve that extends into an awn.
Bromus catharticus var. elatus. Florets with a central lemma nerve that extends into an awn.